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32051245442 = 216025622721
BaseRepresentation
bin11101110110011001…
…110011000110000010
310001201201001222010112
4131312121303012002
51011120104323232
622420225231322
72213155043156
oct356631630602
9101651058115
1032051245442
11126581020a7
126265a92542
13303a3426b8
1417a0a43066
15c78c604b2
hex776673182

32051245442 has 4 divisors (see below), whose sum is σ = 48076868166. Its totient is φ = 16025622720.

The previous prime is 32051245441. The next prime is 32051245451. The reversal of 32051245442 is 24454215023.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 24454215023 = 73493459289.

It can be written as a sum of positive squares in only one way, i.e., 16370946601 + 15680298841 = 127949^2 + 125221^2 .

It is a junction number, because it is equal to n+sod(n) for n = 32051245399 and 32051245408.

It is not an unprimeable number, because it can be changed into a prime (32051245441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8012811359 + ... + 8012811362.

Almost surely, 232051245442 is an apocalyptic number.

32051245442 is a deficient number, since it is larger than the sum of its proper divisors (16025622724).

32051245442 is a wasteful number, since it uses less digits than its factorization.

32051245442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16025622723.

The product of its (nonzero) digits is 38400, while the sum is 32.

The spelling of 32051245442 in words is "thirty-two billion, fifty-one million, two hundred forty-five thousand, four hundred forty-two".

Divisors: 1 2 16025622721 32051245442